- root hairs
- Outgrowths from epidermal cell walls of the root, specialized for water and nutrient absorption.
Glossary of Biotechnology for Food and Agriculture . 2015.
root hairs
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Root hairs — Root hair cells, the rhizoids of many vascular plants, are tubular outgrowths of trichoblasts, the hair forming cells on the epidermis of a plant root. That is, root hair cells are lateral extensions of a single cell and only rarely branched.… … Wikipedia
root — root1 rootlike, adj. /rooht, root/, n. 1. a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture. 2. a similar organ developed from some… … Universalium
Root — /rooht/, n. 1. Elihu /el euh hyooh /, 1845 1937, U.S. lawyer and statesman: Nobel peace prize 1912. 2. John Wellborn /wel beuhrn/, 1851 91, U.S. architect. * * * In botany, the underground anchoring part of a plant. It grows downward in response… … Universalium
Root hair — A root hair is a tubular outgrowth of root epidermal cells of vascular plants. They are found only in the region of maturation of the root. Root hairs are a specialized form of rhizoid.Root hairs form an important surface over which plants absorb … Wikipedia
root hair — noun thin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil • Hypernyms: ↑plant organ • Part Holonyms: ↑root * * * noun : one of the many hairlike tubular outgrowths of epidermal or sometimes cortical… … Useful english dictionary
root — [[t]ru͟ːt[/t]] ♦♦♦ roots, rooting, rooted 1) N COUNT: usu pl The roots of a plant are the parts of it that grow under the ground. ...the twisted roots of an apple tree. 2) V ERG If you root a plant or cutting or if it roots, roots form on the… … English dictionary
To split hairs — Hair Hair (h[^a]r), n. [OE. her, heer, h[ae]r, AS. h[=ae]r; akin to OFries. h[=e]r, D. & G. haar, OHG. & Icel. h[=a]r, Dan. haar, Sw. h[*a]r; cf. Lith. kasa.] 1. The collection or mass of filaments growing from the skin of an animal, and forming… … The Collaborative International Dictionary of English
dragon root — Green Green (gr[=e]n), a. [Compar. {Greener} (gr[=e]n [ e]r); superl. {Greenest.}] [OE. grene, AS. gr[=e]ne; akin to D. groen, OS. gr[=o]ni, OHG. gruoni, G. gr[ u]n, Dan. & Sw. gr[ o]n, Icel. gr[ae]nn; fr. the root of E. grow. See {Grow.}] 1.… … The Collaborative International Dictionary of English
Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… … Wikipedia
Trichome — Trichomes, from the Greek meaning growth of hair , are fine outgrowths or appendages on plants and certain protists. These are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae. Algal trichomes Certain… … Wikipedia
